/*
 * Copyright (c) 2025 Oracle and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.helidon.webserver.validation;

import io.helidon.common.config.Config;
import io.helidon.http.BadRequestException;
import io.helidon.validation.ValidationException;
import io.helidon.webserver.WebServer;
import io.helidon.webserver.spi.ServerFeature;

class WebServerValidationFeature implements ServerFeature {
    private final boolean enabled;
    private final String name;

    WebServerValidationFeature(Config config, String name) {
        this.enabled = config.get("enabled")
                .asBoolean()
                .orElse(true);
        this.name = name;
    }

    @Override
    public void setup(ServerFeatureContext featureContext) {
        if (!enabled) {
            return;
        }
        for (String socket : featureContext.sockets()) {
            configureSocket(featureContext.socket(socket));
        }
        configureSocket(featureContext.socket(WebServer.DEFAULT_SOCKET_NAME));
    }

    @Override
    public String name() {
        return name;
    }

    @Override
    public String type() {
        return WebServerValidationFeatureProvider.VALIDATION_TYPE;
    }

    private void configureSocket(SocketBuilders socket) {
        socket.httpRouting()
                .error(ValidationException.class, (req, res, ex) -> {
                    throw new BadRequestException(ex.getMessage());
                });
    }
}
